Home / 9,613.76-14,421.21-2,688.26

Finding the Fourth Proportional to 9,613.76, 14,421.21 and 2,688.26

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Solution

The fourth proportional to 9,613.76, 14,421.21 and 2,688.26 is: 4,032.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,613.76 : 14,421.21 = 2,688.26 : x
  2. Step 2: Convert to fraction form
    9,613.76/14,421.21 = 2,688.26/x
  3. Step 3: Cross multiply
    9,613.76x = 14,421.21 × 2,688.26
  4. Step 4: Simplify right side
    9,613.76x = 38,767,961.99
  5. Step 5: Solve for x
    x = 38,767,961.99/9,613.76
  6. Step 6: Final answer
    x = 4,032.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.